fix: travis ng build

Author: Zdravko Branzov

Diff for: .travis.yml

@@ -22,7 +22,7 @@ matrix:
       env:
         - WebPack="Android"
       jdk: oraclejdk8
-      before_install: nvm install 6.10.3
+      before_install: nvm install 8.9.4
       script: cd demo && npm run build.plugin && npm i && tns build android --bundle --env.uglify --env.snapshot && cd ../demo-angular && tns build android --bundle --env.uglify --env.snapshot --env.aot
     - language: android
       env: 

Diff for: demo-angular/package.json

@@ -30,7 +30,6 @@
   },
   "devDependencies": {
     "htmlparser2": "^3.9.2",
-    "@angular/compiler-cli": "~6.1.0-beta.1",
     "babel-traverse": "6.24.1",
     "babel-types": "6.24.1",
     "babylon": "6.16.1",
@@ -46,8 +45,7 @@
     "tns-platform-declarations": "^3.0.0",
     "tslint": "~5.4.3",
     "typescript": "~2.7.2",
-    "zone.js": "^0.8.4",
-    "@angular-devkit/build-angular": "~0.7.0-rc.0"
+    "zone.js": "^0.8.4"
   },
   "scripts": {
     "build.plugin": "cd ../src && npm run build",